An Indian drug giant, little-known outside the vaccine world, has agreed to make and distribute a billion doses of a yet-to-be approved coronavirus vaccine -- a move aimed at providing pandemic protection to the world's poorest.

Data from the Transportation Security Administration (TSA) show the number of travelers that went through TSA checkpoints on Thursday topped 300,000 for the first time in two months, but was still down significantly from a year ago. The daily average per week through Saturday is on track to show improvement for the fourth-straight week. Total TSA traveler throughput reached 318,449 on May 21, down 88% from a year ago, but up 38% from Wednesday. The daily throughput was the highest since March 23, and was nearly four times the COVID-19 pandemic low of 87,534 recorded on April 14. The daily average for the week to date has increased to 247,455, the highest since the week ended March 22. Meanwhile, airline stocks fell Friday, with the U.S. Global Jets ETF (JETS) shedding 1.8%, to underperform the S&P 500 , which was down 0.2%. Among the more active Jets components, shares of United Airlines Holdings Inc. (UAL) shed 2.3%, Delta Air Lines Inc. (DAL) dropped 2.5% and American Airlines Group Inc. (AAL) declined 1.2%.